<template>
	<div class="mpvue-calendar" ref="calendar">
		<div class="calendar-tools" v-if="!isMonthRange">
			<div class="calendar-prev" @click="prev">
				<img :src="arrowLeft" v-if="!!arrowLeft">
				<i class="iconfont icon-arrow-left" v-else></i>
			</div>
			<div class="calendar-next" @click="next">
				<img :src="arrowRight" v-if="!!arrowRight">
				<i class="iconfont icon-arrow-right" v-else></i>
			</div>
			<div class="calendar-info" @click.stop="changeYear">
				<div class="mc-month">
					<div :class="['mc-month-inner', oversliding ? '' : 'month-transition']"
						:style="{'top': monthPosition + unit}" v-if="isIos">
						<span v-for="(m, i) in monthsLoop" :key="i">{{m}}</span>
					</div>
					<div class="mc-month-text" v-else>{{monthText}}</div>
				</div>
				<div class="mc-year">{{year}}</div>
			</div>
		</div>
		<table cellpadding="5">
			<div class="mc-head" :class="['mc-head', {'mc-month-range-mode-head': isMonthRange}]">
				<div class="mc-head-box">
					<div v-for="(week, index) in weeks" :key="index" class="mc-week">{{week}}</div>
				</div>
			</div>
			<div :class="['mc-body', {'mc-range-mode': range, 'week-switch': weekSwitch && !isMonthRange, 'month-range-mode': isMonthRange}]"
				v-for="(days, index) in monthRangeDays" :key='index'>
				<div class="month-rang-head" v-if="isMonthRange">{{rangeOfMonths[index][2]}}</div>
				<tr v-for="(day,k1) in days" :key="k1" :class="{'gregorianStyle': !lunar}">
					<td v-for="(child,k2) in day" :key="k2"
						:class="[{'selected': child.selected, 'mc-today-element': child.isToday, 'disabled': child.disabled, 'mc-range-select-one': rangeBgHide && child.selected, 'lunarStyle': lunar, 'mc-range-row-first': k2 === 0 && child.selected, 'month-last-date': child.lastDay, 'month-first-date': 1 === child.day, 'mc-range-row-last': k2 === 6 && child.selected, 'mc-last-month': child.lastMonth, 'mc-next-month': child.nextMonth}, child.className, child.rangeClassName]"
						@click="select(k1, k2, child, $event, index)" class="mc-day" :style="itemStyle">
						<span v-if="showToday.show && child.isToday"
							class="mc-today calendar-date">{{showToday.text}}</span>
						<span :class="[{'mc-date-red': k2 === (monFirst ? 5 : 0) || k2 === 6}, 'calendar-date']"
							v-else>{{child.day}}</span>
						<div class="slot-element" v-if="!!child.content">{{child.content}}</div>
						<div class="mc-text remark-text" v-if="child.eventName && !clean">{{child.eventName}}</div>
						<div class="mc-dot" v-if="child.eventName && clean"></div>
						<div class="mc-text"
							:class="{'isLunarFestival': child.isAlmanac || child.isLunarFestival,'isGregorianFestival': child.isGregorianFestival,'isTerm': child.isTerm}"
							v-if="lunar && (!child.eventName || clean)">{{child.almanac || child.lunar}}</div>
						<div class="mc-range-bg" v-if="range && child.selected" />
					</td>
				</tr>
			</div>
		</table>
		<div class="mpvue-calendar-change" :class="{'show': yearsShow}">
			<div class="calendar-years" v-if="!weekSwitch">
				<span v-for="y in years" :key="y" @click.stop="selectYear(y)"
					:class="{'active': y === year}">{{y}}</span>
			</div>
			<div :class="['calendar-months', {'calendar-week-switch-months': weekSwitch}]">
				<span v-for="(m, i) in months" :key="m" @click.stop="changeMonth(i)"
					:class="{'active': i === month}">{{m}}</span>
			</div>
		</div>
	</div>
</template>

<script>
	import calendar from './calendarinit.js';
	import './icon.css';
	const isBrowser = !!window;
	const now = new Date();
	const todayString = [now.getFullYear(), now.getMonth() + 1, now.getDate()].join('-');
	export default {
		props: {
			multi: {
				type: Boolean,
				default: false
			},
			arrowLeft: {
				type: String,
				default: ''
			},
			arrowRight: {
				type: String,
				default: ''
			},
			clean: {
				type: Boolean,
				default: false
			},
			now: {
				type: [String, Boolean],
				default: true
			},
			range: {
				type: Boolean,
				default: false
			},
			completion: {
				type: Boolean,
				default: false
			},
			value: {
				type: Array,
				default: function() {
					return []
				}
			},
			begin: {
				type: Array,
				default: function() {
					return []
				}
			},
			end: {
				type: Array,
				default: function() {
					return []
				}
			},
			zero: {
				type: Boolean,
				default: false
			},
			disabled: {
				type: Array,
				default: function() {
					return []
				}
			},
			almanacs: {
				type: Object,
				default: function() {
					return {}
				}
			},
			tileContent: {
				type: Array,
				default: function() {
					return []
				}
			},
			lunar: {
				type: Boolean,
				default: false
			},
			monFirst: {
				type: Boolean,
				default: false
			},
			weeks: {
				type: Array,
				default: function() {
					return this.monFirst ? ['一', '二', '三', '四', '五', '六', '日'] : ['日', '一', '二', '三', '四', '五', '六']
				}
			},
			months: {
				type: Array,
				default: function() {
					return ['一月', '二月', '三月', '四月', '五月', '六月', '七月', '八月', '九月', '十月', '十一月', '十二月']
				}
			},
			events: {
				type: Object,
				default: function() {
					return {}
				}
			},
			weekSwitch: {
				type: Boolean,
				default: false
			},
			monthRange: {
				type: Array,
				default: function() {
					return []
				}
			},
			responsive: {
				type: Boolean,
				default: false
			},
			rangeMonthFormat: {
				type: String,
				default: ''
			}
		},
		data() {
			return {
				years: [],
				yearsShow: false,
				year: 0,
				month: 0,
				monthPosition: 0,
				day: 0,
				days: [],
				multiDays: [],
				today: [],
				handleMultiDay: [],
				firstRender: true,
				isIos: true,
				showToday: {},
				monthText: '',
				festival: {
					lunar: {
						"1-1": "春节",
						"1-15": "元宵节",
						"2-2": "龙头节",
						"5-5": "端午节",
						"7-7": "七夕节",
						"7-15": "中元节",
						"8-15": "中秋节",
						"9-9": "重阳节",
						"10-1": "寒衣节",
						"10-15": "下元节",
						"12-8": "腊八节",
						"12-23": "小年",
					},
					gregorian: {
						"1-1": "元旦",
						"2-14": "情人节",
						"3-8": "妇女节",
						"3-12": "植树节",
						"5-1": "劳动节",
						"5-4": "青年节",
						"6-1": "儿童节",
						"7-1": "建党节",
						"8-1": "建军节",
						"9-10": "教师节",
						"10-1": "国庆节",
						"12-24": "平安夜",
						"12-25": "圣诞节",
					},
				},
				rangeBegin: [],
				rangeEnd: [],
				multiDaysData: [],
				monthsLoop: [],
				itemWidth: 50,
				unit: isBrowser ? 'px' : 'rpx',
				positionH: isBrowser ? -24 : -40,
				monthIndex: 0,
				oversliding: false,
				rangeBgHide: false,
				monthRangeDays: [],
				rangeOfMonths: [],
				monthDays: [],
				weekIndex: 0,
				startWeekIndex: 0,
				positionWeek: true,
				isMonthRange: false,
			}
		},
		computed: {
			itemStyle() {
				return {
					width: this.itemWidth + 'px',
					height: this.itemWidth + 'px',
					fontSize: this.itemWidth / 4 + 'px',
					lineHeight: this.lunar ? (this.itemWidth / 1.5 + 'px') : (this.itemWidth + 'px')
				}
			}
		},
		watch: {
			events() {
				if (this.isRendeRangeMode()) return;
				this.render(this.year, this.month, '_WATCHRENDER_', 'events');
			},
			disabled() {
				if (this.isRendeRangeMode()) return;
				this.render(this.year, this.month, '_WATCHRENDER_', 'disabled');
			},
			value() {
				if (this.isRendeRangeMode('_WATCHRENDERVALUE_')) return;
				const value = this.value;
				let year = value[0],
					month = value[1] - 1;
				if (this.multi) {
					year = value[value.length - 1][0];
					month = value[value.length - 1][1] - 1;
				} else if (this.range) {
					if (this.isUserSelect) {
						year = this.year;
						month = this.month;
						this.isUserSelect = false;
					} else {
						year = value[0][0];
						month = value[0][1] - 1;
						const day = value[0][2];
						return this.render(year, month, '_WATCHRENDERVALUE_', [year, month, day]);
					}
				}
				this.render(year, month, '_WATCHRENDERVALUE_');
			},
			tileContent() {
				if (this.isRendeRangeMode()) return;
				this.render(this.year, this.month, '_WATCHRENDER_', 'tileContent');
			},
			almanacs() {
				if (this.isRendeRangeMode()) return;
				this.render(this.year, this.month, '_WATCHRENDER_', 'almanacs');
			},
			monthRange() {
				if (this.isRendeRangeMode()) return;
				this.render(this.year, this.month, '_WATCHRENDER_', 'almanacs');
			},
			responsive() {
				if (this.responsive) this.addResponsiveListener();
			}
		},
		created() {
			this.isMonthRange = !!this.monthRange.length;
			const loopArray = this.months.concat();
			loopArray.unshift(this.months[this.months.length - 1]);
			loopArray.push(this.months[0]);
			this.monthsLoop = loopArray;
			this.monthsLoopCopy = this.monthsLoop.concat();
		},
		mounted() {
			const self = this;
			this.resize();
			if (!isBrowser) {
				wx.getSystemInfo({
					success: function(res) {
						self.isIos = (res.system.split(' ') || [])[0] === 'iOS';
					}
				});
			} else if (this.responsive) {
				this.addResponsiveListener();
			}
			this.oversliding = true;
			this.initRender = true;
			this.init();
		},
		beforeDestroy() {
			if (isBrowser) {
				window.removeEventListener('resize', this.resize)
			}
		},
		methods: {
			init() {
				let now = new Date();
				this.year = now.getFullYear();
				this.month = now.getMonth();
				this.day = now.getDate();
				this.monthIndex = this.month + 1;
				if (this.value.length || this.multi) {
					if (this.range) {
						this.year = Number(this.value[0][0]);
						this.month = this.value[0][1] - 1;
						this.day = Number(this.value[0][2]);
						const yearEnd = Number(this.value[1][0]);
						const monthEnd = this.value[1][1] - 1;
						const dayEnd = this.value[1][2];
						this.rangeBegin = [this.year, this.month, this.day];
						this.rangeEnd = [yearEnd, monthEnd, dayEnd];
					} else if (this.multi) {
						this.multiDays = this.value;
						const handleMultiDay = this.handleMultiDay;
						if (this.firstRender) {
							this.firstRender = false;
							const thatYear = (this.value[0] || [])[0];
							const thatMonth = (this.value[0] || [])[1];
							if (isFinite(thatYear) && isFinite(thatMonth)) {
								this.month = parseInt(thatMonth) - 1;
								this.year = parseInt(thatYear);
							}
						} else if (this.handleMultiDay.length) {
							this.month = parseInt(handleMultiDay[handleMultiDay.length - 1][1]) - 1;
							this.year = parseInt(handleMultiDay[handleMultiDay.length - 1][0]);
							this.handleMultiDay = [];
						} else {
							this.month = parseInt(this.value[this.value.length - 1][1]) - 1;
							this.year = parseInt(this.value[this.value.length - 1][0]);
						}
						this.day = parseInt((this.value[0] || [])[2]);
					} else {
						this.year = parseInt(this.value[0]);
						this.month = parseInt(this.value[1]) - 1;
						this.day = parseInt(this.value[2]);
					}
				}
				this.updateHeadMonth();
				if (this.isRendeRangeMode()) return;
				this.render(this.year, this.month);
			},
			renderOption(year, month, i, playload) {
				const weekSwitch = this.monthRange.length ? false : this.weekSwitch;
				const seletSplit = this.value;
				const isMonthModeCurrentMonth = !weekSwitch && !playload;
				const disabledFilter = (disabled) => {
					return disabled.find(v => {
						const dayArr = v.split('-');
						return year === Number(dayArr[0]) && month === (dayArr[1] - 1) && i === Number(dayArr[
							2]);
					});
				};
				if (this.range) {
					const lastDay = new Date(year, month + 1, 0).getDate() === i ? {
						lastDay: true
					} : null;
					const options = Object.assign({
							day: i
						},
						this.getLunarInfo(year, month + 1, i),
						this.getEvents(year, month + 1, i),
						lastDay
					);
					const {
						date,
						day
					} = options;
					const copyRangeBegin = this.rangeBegin.concat();
					const copyRangeEnd = this.rangeEnd.concat();
					copyRangeBegin[1] = copyRangeBegin[1] + 1;
					copyRangeEnd[1] = copyRangeEnd[1] + 1;
					if (weekSwitch || isMonthModeCurrentMonth) {
						(copyRangeEnd.join('-') === date) && (options.rangeClassName = 'mc-range-end');
						(copyRangeBegin.join('-') === date) && (options.rangeClassName = 'mc-range-begin');
					}
					if (year === copyRangeEnd[0] && (month + 1) === copyRangeEnd[1] && day === (copyRangeEnd[2] - 1)) {
						options.rangeClassName = options.rangeClassName ? ['mc-range-begin', 'mc-range-second-to-last'] :
							'mc-range-second-to-last';
					}
					if (this.rangeBegin.length) {
						const beginTime = +new Date(this.rangeBegin[0], this.rangeBegin[1], this.rangeBegin[2]);
						const endTime = +new Date(this.rangeEnd[0], this.rangeEnd[1], this.rangeEnd[2]);
						const stepTime = +new Date(year, month, i);
						if (beginTime <= stepTime && endTime >= stepTime) {
							options.selected = true;
						}
					}
					if (this.begin.length) {
						const beginTime = +new Date(parseInt(this.begin[0]), parseInt(this.begin[1]) - 1, parseInt(this
							.begin[2]));
						if (beginTime > +new Date(year, month, i)) {
							options.disabled = true;
						}
					}
					if (this.end.length) {
						let endTime = Number(new Date(parseInt(this.end[0]), parseInt(this.end[1]) - 1, parseInt(this.end[
							2])));
						if (endTime < Number(new Date(year, month, i))) {
							options.disabled = true;
						}
					}
					if (playload && !weekSwitch) {
						options.disabled = true;
					} else if (this.disabled.length && disabledFilter(this.disabled)) {
						options.disabled = true;
					}
					const monthFirstDay = year + '-' + (month + 1) + '-' + 1;
					const monthLastDay = year + '-' + (month + 1) + '-' + new Date(year, month + 1, 0).getDate();
					(monthFirstDay === date && options.selected && !options.rangeClassName) && (options.rangeClassName =
						'mc-range-month-first');
					(monthLastDay === date && options.selected && !options.rangeClassName) && (options.rangeClassName =
						'mc-range-month-last');
					this.isCurrentMonthToday(options) && (options.isToday = true);
					(!weekSwitch && playload) && (options.selected = false);
					return options;
				} else if (this.multi) {
					let options;
					if (this.value.find(v => year === v[0] && month === v[1] - 1 && i === v[2])) {
						options = Object.assign({
								day: i,
								selected: true
							},
							this.getLunarInfo(year, month + 1, i),
							this.getEvents(year, month + 1, i)
						);
					} else {
						options = Object.assign({
								day: i,
								selected: false
							},
							this.getLunarInfo(year, month + 1, i),
							this.getEvents(year, month + 1, i)
						);
						if (this.begin.length) {
							const beginTime = +new Date(parseInt(this.begin[0]), parseInt(this.begin[1]) - 1, parseInt(this
								.begin[2]));
							if (beginTime > +(new Date(year, month, i))) {
								options.disabled = true;
							}
						}
						if (this.end.length) {
							const endTime = +new Date(parseInt(this.end[0]), parseInt(this.end[1]) - 1, parseInt(this.end[
								2]));
							if (endTime < +(new Date(year, month, i))) {
								options.disabled = true;
							}
						}
						if (playload && !weekSwitch) {
							options.disabled = true;
						} else if (this.disabled.length && disabledFilter(this.disabled)) {
							options.disabled = true;
						}
					}
					if (options.selected && this.multiDaysData.length !== this.value.length) {
						this.multiDaysData.push(options);
					}
					this.isCurrentMonthToday(options) && (options.isToday = true);
					(!weekSwitch && playload) && (options.selected = false);
					return options;
				} else {
					const options = {};
					const monthHuman = month + 1;
					if (seletSplit[0] === year && seletSplit[1] === monthHuman && seletSplit[2] === i) {
						Object.assign(
							options, {
								day: i,
								selected: true
							},
							this.getLunarInfo(year, monthHuman, i),
							this.getEvents(year, monthHuman, i)
						);
					} else {
						Object.assign(
							options, {
								day: i,
								selected: false
							},
							this.getLunarInfo(year, monthHuman, i),
							this.getEvents(year, monthHuman, i)
						);
						if (this.begin.length) {
							const beginTime = +new Date(parseInt(this.begin[0]), parseInt(this.begin[1]) - 1, parseInt(this
								.begin[2]));
							if (beginTime > Number(new Date(year, month, i))) {
								options.disabled = true;
							}
						}
						if (this.end.length) {
							const endTime = +new Date(parseInt(this.end[0]), parseInt(this.end[1]) - 1, parseInt(this.end[
								2]));
							if (endTime < +(new Date(year, month, i))) {
								options.disabled = true;
							}
						}
						if (playload && !weekSwitch) {
							options.disabled = true;
						} else if (this.disabled.length && disabledFilter(this.disabled)) {
							options.disabled = true;
						}
					}
					this.isCurrentMonthToday(options) && (options.isToday = true);
					(!weekSwitch && playload) && (options.selected = false);
					return options;
				}
			},
			isCurrentMonthToday(options) {
				const isToday = todayString === options.date;
				if (!isToday) return false;
				return this.weekSwitch ? isToday : (Number(todayString.split('-')[1]) === this.month + 1);
			},
			watchRender(type) {
				const weekSwitch = this.weekSwitch;
				const daysDeepCopy = JSON.parse(JSON.stringify(this.monthDays));
				if (type === 'events') {
					const events = this.events || {};
					Object.keys(events).forEach(value => {
						daysDeepCopy.some(v => v.some(vv => {
							if (vv.date === value) {
								vv.eventName = events[value];
								return true;
							}
						}))
					});
					this.monthDays = daysDeepCopy;
				} else if (type === 'disabled') {
					const disabled = this.disabled || [];
					disabled.forEach(value => {
						daysDeepCopy.some(v => v.some(vv => {
							if (vv.date === value) {
								vv.disabled = true;
								return true;
							}
						}))
					});
				} else if (type === 'almanacs') {
					const almanacs = this.almanacs || {};
					Object.keys(almanacs).forEach(value => {
						daysDeepCopy.some(v => v.some(vv => {
							if (vv.date.slice(5, 20) === value) {
								vv.lunar = almanacs[value];
								return true;
							}
						}))
					});
				} else if (type === 'tileContent') {
					const tileContent = this.tileContent || [];
					tileContent.forEach(value => {
						daysDeepCopy.some(v => v.some(vv => {
							if (vv.date === value.date) {
								vv.className = value.className;
								vv.content = value.content;
								return true;
							}
						}))
					});
				}
				if (weekSwitch) {
					this.monthDays = daysDeepCopy;
					this.days = [daysDeepCopy[this.weekIndex]];
					this.monthRangeDays = [this.days];
				} else {
					this.days = daysDeepCopy;
					this.monthRangeDays = [this.days];
				}
			},
			render(y, m, renderer, payload) {
				const weekSwitch = this.weekSwitch;
				const isCustomRender = renderer === 'CUSTOMRENDER';
				const isWatchRenderValue = renderer === '_WATCHRENDERVALUE_';
				this.year = y;
				this.month = m;
				if (renderer === '_WATCHRENDER_') return this.watchRender(payload);
				if (this.range && isWatchRenderValue) {
					if (!Array.isArray((this.value || [])[0])) {
						this.rangeBegin = [];
						this.rangeEnd = [];
					} else {
						this.rangeBegin = [this.value[0][0], this.value[0][1] - 1, this.value[0][2]];
						this.rangeEnd = [this.value[1][0], this.value[1][1] - 1, this.value[1][2]];
					}
				}
				if (isWatchRenderValue && weekSwitch) {
					this.positionWeek = true;
				}
				if (isCustomRender) {
					this.year = y;
					this.month = m;
					this.positionWeek = true;
					if (weekSwitch && !payload) {
						this.startWeekIndex = 0;
						this.weekIndex = 0;
					}
					this.updateHeadMonth();
				}
				let firstDayOfMonth = new Date(y, m, 1).getDay();
				const lastDateOfMonth = new Date(y, m + 1, 0).getDate();
				let lastDayOfLastMonth = new Date(y, m, 0).getDate();
				this.year = y;
				let i = 1,
					line = 0,
					temp = [],
					nextMonthPushDays = 1;
				for (i; i <= lastDateOfMonth; i++) {
					let day = new Date(y, m, i).getDay();
					let k;
					if (day === 0) {
						temp[line] = [];
					} else if (i === 1) {
						temp[line] = [];
						k = lastDayOfLastMonth - firstDayOfMonth + 1;
						for (let j = 0; j < firstDayOfMonth; j++) { //generate prev month surplus option
							temp[line].push(Object.assign(
								this.renderOption(this.computedPrevYear(y, m), this.computedPrevMonth(false, m), k,
									'prevMonth'), {
									lastMonth: true
								}
							));
							k++;
						}
					}

					temp[line].push(this.renderOption(y, m, i)); //generate current month option

					if (day === 6 && i < lastDateOfMonth) {
						line++;
					} else if (i === lastDateOfMonth) {
						let k = 1;
						const lastDateOfMonthLength = this.monFirst ? 7 : 6;
						for (let d = day; d < lastDateOfMonthLength; d++) { //generate next month surplus option
							temp[line].push(Object.assign(
								this.renderOption(this.computedNextYear(y, m), this.computedNextMonth(false, m), k,
									'nextMonth'), {
									nextMonth: true
								}
							));
							k++;
						}
						nextMonthPushDays = k;
					}
				}
				const completion = this.completion;
				if (this.monFirst) {
					if (!firstDayOfMonth) {
						let lastMonthDay = lastDayOfLastMonth;
						const LastMonthItems = [];
						for (let i = 1; i <= 7; i++) {
							LastMonthItems.unshift(Object.assign(
								this.renderOption(this.computedPrevYear(y, m), this.computedPrevMonth(false, m),
									lastMonthDay, 'prevMonth'), {
									lastMonth: true
								}
							));
							lastMonthDay--;
						}
						temp.unshift(LastMonthItems);
					}
					temp.forEach((item, index) => {
						if (!index) {
							return item.splice(0, 1);
						};
						temp[index - 1].length < 7 && temp[index - 1].push(item.splice(0, 1)[0]);
					});
					if (this.isMonthRange && temp[temp.length - 1][0].nextMonth) {
						temp.splice(temp.length - 1, 1); //if the first day of last line is nextMonth, delete this line
					}
					if (!completion && !weekSwitch) {
						const lastIndex = temp.length - 1;
						const secondToLastIndex = lastIndex - 1;
						const differentMonth = temp[lastIndex][0].date.split('-')[1] !== temp[secondToLastIndex][6].date
							.split('-')[1];
						differentMonth && temp.splice(lastIndex, 1);
					}
				}
				if (completion && !weekSwitch && temp.length <= 5 && nextMonthPushDays > 0) {
					for (let i = temp.length; i <= 5; i++) {
						temp[i] = [];
						let start = nextMonthPushDays + (i - line - 1) * 7;
						for (let d = start; d <= start + 6; d++) {
							temp[i].push(Object.assign({
									day: d,
									disabled: true,
									nextMonth: true
								},
								this.getLunarInfo(this.computedNextYear(), this.computedNextMonth(true), d),
								this.getEvents(this.computedNextYear(), this.computedNextMonth(true), d)
							));
						}
					}
				}
				if (this.tileContent.length) {
					temp.forEach((item, index) => {
						item.forEach((v, i) => {
							const contents = this.tileContent.find(val => val.date === v.date);
							if (contents) {
								const {
									className,
									content
								} = contents || {};
								v.className = className;
								v.content = content;
							}
						});
					});
				}
				if (weekSwitch) {
					const tempLength = temp.length;
					const lastLineMonth = temp[tempLength - 1][0].date.split('-')[1]; // last line month
					const secondLastMonth = temp[tempLength - 2][0].date.split('-')[1]; // second-to-last line month
					lastLineMonth !== secondLastMonth && temp.splice(tempLength - 1, 1);
				}
				this.monthDays = temp;
				if (weekSwitch && !this.isMonthRange) {
					if (this.positionWeek) {
						let payloadDay = '';
						let searchIndex = true;
						if (Array.isArray(payload)) { //range
							payloadDay = [payload[0], payload[1] + 1, payload[2]].join('-');
						} else if (this.multi || isWatchRenderValue) {
							if (this.thisTimeSelect) {
								payloadDay = this.thisTimeSelect;
							} else {
								payloadDay = this.multi ? this.value[this.value.length - 1].join('-') : this.value.join(
									'-');
							}
						}
						if (payload === 'SETTODAY') {
							payloadDay = todayString;
						} else if (isCustomRender) {
							if (typeof payload === 'string') {
								payloadDay = [y, Number(m) + 1, payload].join('-');
								searchIndex = true;
							} else if (typeof payload === 'number') {
								const setIndex = payload > temp.length ? temp.length - 1 : payload;
								this.startWeekIndex = setIndex;
								this.weekIndex = setIndex;
								this.positionWeek = false;
								searchIndex = false;
							}
						}
						const positionDay = payloadDay || todayString;
						if (searchIndex) {
							temp.some((v, i) => {
								const isWeekNow = v.find(vv => vv.date === positionDay);
								if (isWeekNow) {
									this.startWeekIndex = i;
									this.weekIndex = i;
									return true;
								}
							});
						}
						this.positionWeek = false;
					}
					this.days = [temp[this.startWeekIndex]];
					if (this.initRender) {
						this.setMonthRangeofWeekSwitch();
						this.initRender = false;
					}
				} else {
					this.days = temp;
				}
				const todayText = '今';
				if (typeof this.now === 'boolean' && !this.now) {
					this.showToday = {
						show: false
					};
				} else if (typeof this.now === 'string') {
					this.showToday = {
						show: true,
						text: this.now || todayText
					};
				} else {
					this.showToday = {
						show: true,
						text: todayText
					};
				}
				this.monthRangeDays = [this.days];
				isWatchRenderValue && this.updateHeadMonth();
				return this.days;
			},
			rendeRange(renderer) {
				const range = [];
				const self = this;
				const monthRange = this.monthRange;

				function formatDateText(fYear, fMonth) {
					const reg = /([y]+)(.*?)([M]+)(.*?)$/i;
					const rangeMonthFormat = self.rangeMonthFormat || 'yyyy-MM';
					reg.exec(rangeMonthFormat);
					return String(fYear).substring(4 - RegExp.$1.length) + RegExp.$2 + String(fMonth).substring(2 - RegExp
						.$3.length) + RegExp.$4;
				}
				if (monthRange[0] === monthRange[1]) {
					const [y, m] = monthRange[0].split('-');
					range.push([Number(y), Number(m), formatDateText(y, m)])
				} else {
					const monthRangeOfStart = monthRange[0].split('-');
					const monthRangeOfEnd = monthRange[1].split('-');
					let startYear = +monthRangeOfStart[0];
					let startMonth = +monthRangeOfStart[1];
					let endYear = +monthRangeOfEnd[0];
					let endtMonth = +monthRangeOfEnd[1] > 12 ? 12 : +monthRangeOfEnd[1];
					while (startYear < endYear || startMonth <= endtMonth) {
						range.push([startYear, startMonth, formatDateText(startYear, startMonth)]);
						if (startMonth === 12 && startYear !== endYear) {
							startYear++;
							startMonth = 0;
						}
						startMonth++;
					}
				}
				this.rangeOfMonths = range;

				const monthsRange = range.map(item => {
					const [yearParam, monthParam] = item;
					return this.render(yearParam, monthParam - 1, renderer);
				});
				this.monthRangeDays = monthsRange;
			},
			isRendeRangeMode(renderer) {
				this.isMonthRange = !!this.monthRange.length;
				if (this.isMonthRange) {
					this.rendeRange(renderer);
					return true;
				}
			},
			renderer(y, m, w) {
				const renderY = y || this.year;
				const renderM = typeof parseInt(m) === 'number' ? (m - 1) : this.month;
				this.initRender = true;
				this.render(renderY, renderM, 'CUSTOMRENDER', w);
				!this.weekSwitch && (this.monthsLoop = this.monthsLoopCopy.concat());
			},
			computedPrevYear(year, month) {
				let value = year;
				if ((month - 1) < 0) {
					value--;
				}
				return value;
			},
			computedPrevMonth(isString, month) {
				let value = month;
				if ((month - 1) < 0) {
					value = 11;
				} else {
					value--;
				}
				if (isString) {
					return value + 1;
				}
				return value;
			},
			computedNextYear(year, month) {
				let value = year;
				if ((month + 1) > 11) {
					value++;
				}
				return value;
			},
			computedNextMonth(isString, month) {
				let value = month;
				if ((month + 1) > 11) {
					value = 0;
				} else {
					value++;
				}
				if (isString) {
					return value + 1;
				}
				return value;
			},
			getLunarInfo(y, m, d) {
				let lunarInfo = calendar.solar2lunar(y, m, d);
				let yearEve = '';
				if (lunarInfo.lMonth === 12 && lunarInfo.lDay === calendar.monthDays(lunarInfo.lYear, 12)) {
					yearEve = '除夕';
				}
				let lunarValue = lunarInfo.IDayCn;
				let Term = lunarInfo.Term;
				let isLunarFestival = false;
				let isGregorianFestival = false;
				if (this.festival.lunar[lunarInfo.lMonth + "-" + lunarInfo.lDay]) {
					lunarValue = this.festival.lunar[lunarInfo.lMonth + "-" + lunarInfo.lDay];
					isLunarFestival = true;
				} else if (this.festival.gregorian[m + "-" + d]) {
					lunarValue = this.festival.gregorian[m + "-" + d];
					isGregorianFestival = true;
				}
				const lunarInfoObj = {
					date: `${y}-${m}-${d}`,
					lunar: yearEve || Term || lunarValue,
					isLunarFestival: isLunarFestival,
					isGregorianFestival: isGregorianFestival,
					isTerm: !!yearEve || lunarInfo.isTerm
				};
				if (Object.keys(this.almanacs).length) {
					Object.assign(lunarInfoObj, {
						almanac: this.almanacs[m + "-" + d] || '',
						isAlmanac: !!this.almanacs[m + "-" + d]
					});
				}
				return lunarInfoObj;
			},
			getEvents(y, m, d) {
				if (Object.keys(this.events).length == 0) return false;
				let eventName = this.events[y + "-" + m + "-" + d];
				let data = {};
				if (eventName != undefined) {
					data.eventName = eventName;
				}
				return data;
			},
			prev(e) {
				e && e.stopPropagation();
				if (this.isMonthRange) return;
				const weekSwitch = this.weekSwitch;
				const changeMonth = (changed) => {
					if (this.monthIndex === 1) {
						this.oversliding = false;
						this.month = 11;
						this.year = parseInt(this.year) - 1;
						this.monthIndex = this.monthIndex - 1;
					} else if (this.monthIndex === 0) {
						this.oversliding = true;
						this.monthIndex = 12;
						setTimeout(() => this.prev(e), 50);
						return this.updateHeadMonth('custom');
					} else if (this.monthIndex === 13) {
						this.month = 11;
						this.year = parseInt(this.year) - 1;
						this.monthIndex = this.monthIndex - 1;
					} else {
						this.oversliding = false;
						this.month = parseInt(this.month) - 1;
						this.monthIndex = this.monthIndex - 1;
					}
					this.updateHeadMonth('custom');
					this.render(this.year, this.month);
					(typeof changed === 'function') && changed();
					const weekIndex = weekSwitch ? this.weekIndex : undefined;
					this.$emit('prev', this.year, this.month + 1, weekIndex);
				}
				if (!this.weekSwitch) return changeMonth();
				const changeWeek = () => {
					this.weekIndex = this.weekIndex - 1;
					this.days = [this.monthDays[this.weekIndex]];
					this.monthRangeDays = [this.days];
					this.setMonthRangeofWeekSwitch();
					this.$emit('prev', this.year, this.month + 1, this.weekIndex);
				}
				const currentWeek = (this.days[0] || [])[0] || {};
				if (currentWeek.lastMonth || currentWeek.day === 1) {
					const monthChenged = () => {
						const lastMonthLength = this.monthDays.length;
						const startWeekIndex = currentWeek.lastMonth ? lastMonthLength - 1 : lastMonthLength;
						this.startWeekIndex = startWeekIndex;
						this.weekIndex = startWeekIndex;
						changeWeek();
					}
					changeMonth(monthChenged);
				} else {
					changeWeek();
				}
			},
			next(e) {
				e && e.stopPropagation();
				if (this.isMonthRange) return;
				const weekSwitch = this.weekSwitch;
				const changeMonth = () => {
					if (this.monthIndex === 12) {
						this.oversliding = false;
						this.month = 0;
						this.year = parseInt(this.year) + 1;
						this.monthIndex = this.monthIndex + 1;
					} else if (this.monthIndex === 0 && this.month === 11) {
						this.oversliding = false;
						this.month = 0;
						this.year = parseInt(this.year) + 1;
						this.monthIndex = this.monthIndex + 1;
					} else if (this.monthIndex === 13) {
						this.oversliding = true;
						this.monthIndex = 1;
						setTimeout(() => this.next(e), 50);
						return this.updateHeadMonth('custom');
					} else {
						this.oversliding = false;
						this.month = parseInt(this.month) + 1;
						this.monthIndex = this.monthIndex + 1;
					}
					this.updateHeadMonth('custom');
					this.render(this.year, this.month);
					const weekIndex = weekSwitch ? this.weekIndex : undefined;
					this.$emit('next', this.year, this.month + 1, weekIndex);
				}
				if (!this.weekSwitch) return changeMonth();
				const changeWeek = () => {
					this.weekIndex = this.weekIndex + 1;
					this.days = [this.monthDays[this.weekIndex]];
					this.monthRangeDays = [this.days];
					this.setMonthRangeofWeekSwitch();
					this.$emit('next', this.year, this.month + 1, this.weekIndex);
				}
				const currentWeek = (this.days[0] || [])[6] || {};
				if (currentWeek.nextMonth || currentWeek.day === (new Date(this.year, this.month + 1, 0).getDate())) {
					const startWeekIndex = currentWeek.nextMonth ? 1 : 0;
					this.startWeekIndex = startWeekIndex;
					this.weekIndex = startWeekIndex;
					changeMonth();
				} else {
					changeWeek();
				}
			},
			select(k1, k2, data, e, monthIndex) {
				e && e.stopPropagation();
				const weekSwitch = this.weekSwitch;
				if (data.lastMonth && !weekSwitch) {
					return this.prev(e);
				} else if (data.nextMonth && !weekSwitch) {
					return this.next(e);
				}
				if (data.disabled) return;
				(data || {}).event = (this.events || {})[data.date] || '';
				const {
					selected,
					day,
					date
				} = data;
				const selectedDates = date.split('-');
				const selectYear = Number(selectedDates[0]);
				const selectMonth = selectedDates[1] - 1;
				const selectMonthHuman = Number(selectedDates[1]);
				const selectDay = Number(selectedDates[2]);;
				if (this.range) {
					this.isUserSelect = true;
					if (this.rangeBegin.length === 0 || this.rangeEndTemp !== 0) {
						this.rangeBegin = [selectYear, selectMonth, selectDay];
						this.rangeBeginTemp = this.rangeBegin;
						this.rangeEnd = [selectYear, selectMonth, selectDay];
						this.thisTimeSelect = this.rangeEnd;
						this.rangeEndTemp = 0;
					} else {
						this.rangeEnd = [selectYear, selectMonth, selectDay];
						this.thisTimeSelect = [selectYear, selectMonth, selectDay];
						if (this.rangeBegin.join('-') === this.rangeEnd.join('-')) {
							return this.rangeEndTemp = 0;
						}
						this.rangeEndTemp = 1;
						if (+new Date(this.rangeEnd[0], this.rangeEnd[1], this.rangeEnd[2]) < +new Date(this.rangeBegin[0],
								this.rangeBegin[1], this.rangeBegin[2])) {
							this.rangeBegin = this.rangeEnd;
							this.rangeEnd = this.rangeBeginTemp;
						}
						const rangeDate = (date) => {
							return date.map((v, k) => {
								const value = k === 1 ? v + 1 : v;
								return this.zero ? this.zeroPad(value) : value;
							});
						}
						const begin = rangeDate(this.rangeBegin);
						const end = rangeDate(this.rangeEnd);
						this.value.splice(0, 1, begin)
						this.value.splice(1, 1, end)
						this.$emit('select', begin, end);
					}
					this.rangeBgHide = !this.rangeEndTemp || (this.rangeBegin.join('-') === this.rangeEnd.join('-'));
					this.positionWeek = true;
					if (this.isMonthRange) {
						this.rendeRange();
					} else {
						this.render(this.year, this.month, undefined, this.thisTimeSelect);
					}
				} else if (this.multi) {
					const filterDayIndex = this.value.findIndex(v => v.join('-') === date);
					if (~filterDayIndex) {
						this.handleMultiDay = this.value.splice(filterDayIndex, 1);
					} else {
						this.value.push([Number(Number(selectedDates[0])), Number(selectedDates[1]), day]);
					}
					this.days[k1][k2].selected = !selected;
					if (this.monthDays[k1][k2].selected) {
						this.multiDaysData.push(data);
					} else {
						this.multiDaysData = this.multiDaysData.filter(item => item.date !== date);
					}
					this.thisTimeSelect = date;
					this.$emit('select', this.value, this.multiDaysData);
				} else {
					const currentSelected = this.value.join('-');
					this.monthRangeDays.some(value => value.some(v => !!v.find(vv => {
						if (vv.date === currentSelected) {
							vv.selected = false;
							return true;
						}
					})));
					this.monthRangeDays[monthIndex][k1][k2].selected = true;
					this.day = day;
					const selectDate = [selectYear, selectMonthHuman, selectDay];
					this.value[0] = selectYear;
					this.value[1] = selectMonthHuman;
					this.value[2] = selectDay;
					this.today = [k1, k2];
					this.$emit('select', selectDate, data);
				}
			},
			changeYear() {
				if (this.yearsShow) {
					this.yearsShow = false;
					return false;
				}
				this.yearsShow = true;
				this.years = [];
				for (let i = this.year - 5; i < this.year + 7; i++) {
					this.years.push(i);
				}
			},
			changeMonth(value) {
				this.oversliding && (this.oversliding = false);
				this.yearsShow = false;
				this.month = value;
				this.render(this.year, this.month, 'CUSTOMRENDER', 0);
				this.updateHeadMonth();
				this.weekSwitch && this.setMonthRangeofWeekSwitch();
				this.$emit('selectMonth', this.month + 1, this.year);
			},
			selectYear(value) {
				this.yearsShow = false;
				this.year = value;
				this.render(this.year, this.month);
				this.$emit('selectYear', value);
			},
			setToday() {
				const now = new Date();
				this.year = now.getFullYear();
				this.month = now.getMonth();
				this.day = now.getDate();
				this.positionWeek = true;
				this.render(this.year, this.month, undefined, 'SETTODAY');
				this.updateHeadMonth();
			},
			setMonthRangeofWeekSwitch() {
				this.monthsLoop = this.monthsLoopCopy.concat();
				this.days[0].reduce((prev, current) => {
					if (!prev) return;
					const prveDate = ((prev || {}).date || '').split('-');
					const prevYear = prveDate[0];
					const prevMonth = prveDate[1];
					const currentMonth = ((current || {}).date || '').split('-')[1];
					if (prevMonth === currentMonth) {
						return current;
					} else {
						const prevMonthText = this.months[prevMonth - 1];
						const currentMonthText = this.months[currentMonth - 1];
						this.monthsLoop[this.monthIndex] = prevMonthText + '~' + currentMonthText;
					}
				});
			},
			dateInfo(y, m, d) {
				return calendar.solar2lunar(y, m, d);
			},
			zeroPad(n) {
				return String(n < 10 ? '0' + n : n)
			},
			updateHeadMonth(type) {
				if (!type) this.monthIndex = this.month + 1;
				this.monthPosition = this.monthIndex * this.positionH;
				this.monthText = this.months[this.month];
			},
			addResponsiveListener() {
				window.addEventListener('resize', this.resize);
			},
			resize() {
				const calendar = this.$refs.calendar;
				this.itemWidth = (calendar.clientWidth / 7 - 4).toFixed(5);
			}
		}
	}
</script>
